Performance of an HTS generator field coil under system fault conditions

Kiruba Sivasubramaniam; Xianrui Huang; E. T. Laskaris; T. Zhang; J. W. Bray; J. M. Forgarty; Rebecca A. Nold

doi:10.1109/TASC.2006.881814

Performance of an HTS generator field coil under system fault conditions

Kiruba Sivasubramaniam, Xianrui Huang, E. T. Laskaris, T. Zhang, J. W. Bray, J. M. Forgarty, Rebecca A. Nold

Research output: Contribution to journal › Article › peer-review

Abstract

High-temperature superconducting (HTS) coils are generally stable against transient thermal disturbances. Protection against spontaneous quenches is not a main design issue for an HTS coil. However, HTS coils used in many electric devices such as motors, generators, transformers, and current limiters will operate under over-current fault conditions, which may result in a coil quench and thermal runaway. Those electric devices should be able to ride through some grid fault conditions and remain functional. This requires a certain over-current capability of the HTS coils. This paper discusses the over-current requirements from grid faults and the thermal transient responses of a BSCCO coil. It presents the analysis results of the coil subjected to over-current pulses at different operating conditions. The study also investigates the thermal runaway current and its relationship with the over-current pulse.

Original language	English (US)
Pages (from-to)	1971-1975
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	16
Issue number	4
DOIs	https://doi.org/10.1109/TASC.2006.881814
State	Published - Dec 2006
Externally published	Yes

Keywords

High-temperature superconductors (HTS)
Numerical modeling
Superconducting generators

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/TASC.2006.881814

Cite this

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title = "Performance of an HTS generator field coil under system fault conditions",

abstract = "High-temperature superconducting (HTS) coils are generally stable against transient thermal disturbances. Protection against spontaneous quenches is not a main design issue for an HTS coil. However, HTS coils used in many electric devices such as motors, generators, transformers, and current limiters will operate under over-current fault conditions, which may result in a coil quench and thermal runaway. Those electric devices should be able to ride through some grid fault conditions and remain functional. This requires a certain over-current capability of the HTS coils. This paper discusses the over-current requirements from grid faults and the thermal transient responses of a BSCCO coil. It presents the analysis results of the coil subjected to over-current pulses at different operating conditions. The study also investigates the thermal runaway current and its relationship with the over-current pulse.",

keywords = "High-temperature superconductors (HTS), Numerical modeling, Superconducting generators",

author = "Kiruba Sivasubramaniam and Xianrui Huang and Laskaris, {E. T.} and T. Zhang and Bray, {J. W.} and Forgarty, {J. M.} and Nold, {Rebecca A.}",

note = "Funding Information: Manuscript received September 26, 2005. This work was supported in part by the U.S. Department of Energy under Grant DE-FC36-02GO11100. This paper was recommended by Associate Editor P. Masson. Color versions of Figs. 1 and 3 are available online at http://ieeexplore.ieee. org. K. Sivasubramaniam, X. Huang, E. T. Laskaris, T. Zhang, and J. W. Bray are with the General Electric Global Research Center, Niskayuna, NY 12309 USA (e-mail: zhangt@research.ge.com). J. M. Fogarty and R. A. Nold are with the General Electric Infrastructure Energy, Schenectady, NY 12345 USA Color versions of Figs. 1 and 3 are available online at http://ieeexplore.ieee. org. Digital Object Identifier 10.1109/TASC.2006.881814",

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AU - Bray, J. W.

AU - Forgarty, J. M.

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N2 - High-temperature superconducting (HTS) coils are generally stable against transient thermal disturbances. Protection against spontaneous quenches is not a main design issue for an HTS coil. However, HTS coils used in many electric devices such as motors, generators, transformers, and current limiters will operate under over-current fault conditions, which may result in a coil quench and thermal runaway. Those electric devices should be able to ride through some grid fault conditions and remain functional. This requires a certain over-current capability of the HTS coils. This paper discusses the over-current requirements from grid faults and the thermal transient responses of a BSCCO coil. It presents the analysis results of the coil subjected to over-current pulses at different operating conditions. The study also investigates the thermal runaway current and its relationship with the over-current pulse.

AB - High-temperature superconducting (HTS) coils are generally stable against transient thermal disturbances. Protection against spontaneous quenches is not a main design issue for an HTS coil. However, HTS coils used in many electric devices such as motors, generators, transformers, and current limiters will operate under over-current fault conditions, which may result in a coil quench and thermal runaway. Those electric devices should be able to ride through some grid fault conditions and remain functional. This requires a certain over-current capability of the HTS coils. This paper discusses the over-current requirements from grid faults and the thermal transient responses of a BSCCO coil. It presents the analysis results of the coil subjected to over-current pulses at different operating conditions. The study also investigates the thermal runaway current and its relationship with the over-current pulse.

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Performance of an HTS generator field coil under system fault conditions

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